/**
 * Copyright 2019 zgqq <zgqjava@gmail.com>
 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.github.flycat.security.token;

import org.springframework.security.authentication.AuthenticationServiceException;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.web.authentication.preauth.AbstractPreAuthenticatedProcessingFilter;

import jakarta.servlet.FilterChain;
import jakarta.servlet.ServletException;
import jakarta.servlet.ServletRequest;
import jakarta.servlet.ServletResponse;
import jakarta.servlet.http.HttpServletRequest;
import java.io.IOException;

public class RequireTokenAuthenticationFilter extends AbstractPreAuthenticatedProcessingFilter {

    private final TokenAuthenticationService tokenAuthenticationService;

    protected RequireTokenAuthenticationFilter(TokenAuthenticationService tokenAuthenticationService) {
        this.tokenAuthenticationService = tokenAuthenticationService;
    }

    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
            throws IOException, ServletException {
        TokenAuthentication tokenInformation = this.tokenAuthenticationService.requireToken((HttpServletRequest) request);
        if (tokenInformation == null) {
            throw new AuthenticationServiceException("Token authenticateToken should not be null!");
        }
        Authentication authentication = tokenInformation;
        SecurityContextHolder.getContext().setAuthentication(authentication);
        chain.doFilter(request, response);
    }

    @Override
    protected Object getPreAuthenticatedPrincipal(HttpServletRequest request) {
        return null;
    }

    @Override
    protected Object getPreAuthenticatedCredentials(HttpServletRequest request) {
        return null;
    }
}
